Java Doc for TextMetricsCalculator.java in  » Apache-Harmony-Java-SE » org-package » org » apache » harmony » awt » gl » font » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Apache Harmony Java SE » org package » org.apache.harmony.awt.gl.font   Source Cross Reference   Class Diagram   Java Document (Java Doc)   java.lang.Object    org.apache.harmony.awt.gl.font.TextMetricsCalculator TextMetricsCalculator public class TextMetricsCalculator (Code) This class operates with an arbitrary text string which can include any number of style, font and direction runs. It is responsible for computation of the text metrics, such as ascent, descent, leading and advance. Actually, each text run segment contains logic which allows it to compute its own metrics and responsibility of this class is to combine metrics for all segments included in the text, managed by the associated TextRunBreaker object. Field Summary  float advance       float ascent       int baselineIndex       TextRunBreaker breaker       float descent       float leading      Constructor Summary public   TextMetricsCalculator(TextRunBreaker breaker)      Method Summary public  void checkBaselines()      Take baseline offsets from the first font or graphic attribute and normalizes them, than caches the results.  void computeMetrics()      public  void correctAdvance(BasicMetrics metrics)      Corrects advance after justification. public  BasicMetrics createMetrics()       float getBaselineOffset(int baselineIndex)      Returns either values cached by checkBaselines method or reasonable values for the TOP and BOTTOM alignments. public  float[] getBaselineOffsets()      Field Detail advance float advance(Code) ascent float ascent(Code) baselineIndex int baselineIndex(Code) breaker TextRunBreaker breaker(Code) descent float descent(Code) leading float leading(Code) Constructor Detail TextMetricsCalculator public TextMetricsCalculator(TextRunBreaker breaker)(Code) Method Detail checkBaselines public void checkBaselines()(Code) Take baseline offsets from the first font or graphic attribute and normalizes them, than caches the results. computeMetrics void computeMetrics()(Code) Computes metrics for the text managed by the associated TextRunBreaker correctAdvance public void correctAdvance(BasicMetrics metrics)(Code) Corrects advance after justification. Gets BasicMetrics object and updates advance stored into it. Parameters:   metrics - - metrics with outdated advance which should be corrected createMetrics public BasicMetrics createMetrics()(Code) Computes metrics and creates BasicMetrics object from them basic metrics getBaselineOffset float getBaselineOffset(int baselineIndex)(Code) Returns either values cached by checkBaselines method or reasonable values for the TOP and BOTTOM alignments. Parameters:   baselineIndex - - baseline index baseline offset getBaselineOffsets public float[] getBaselineOffsets()(Code) Methods inherited from java.lang.Object native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc) public boolean equals(Object obj)(Code)(Java Doc) protected void finalize() throws Throwable(Code)(Java Doc) final native public Class getClass()(Code)(Java Doc) native public int hashCode()(Code)(Java Doc) final native public void notify()(Code)(Java Doc) final native public void notifyAll()(Code)(Java Doc) public String toString()(Code)(Java Doc) final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc) final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc) final public void wait() throws InterruptedException(Code)(Java Doc)